1155340403054 has 16 divisors (see below), whose sum is σ = 1734220069920. Its totient is φ = 577267152000.

The previous prime is 1155340403023. The next prime is 1155340403069. The reversal of 1155340403054 is 4503040435511.

It is a super-2 number, since 2×1155340403054² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26287802 + ... + 26331714.

It is an arithmetic number, because the mean of its divisors is an integer number (108388754370).

Almost surely, 2^{1155340403054} is an apocalyptic number.

1155340403054 is a deficient number, since it is larger than the sum of its proper divisors (578879666866).

1155340403054 is a wasteful number, since it uses less digits than its factorization.

1155340403054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52795.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 1155340403054 its reverse (4503040435511), we get a palindrome (5658380838565).

The spelling of 1155340403054 in words is "one trillion, one hundred fifty-five billion, three hundred forty million, four hundred three thousand, fifty-four".